3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php system(); ?>
Output for 5.0.0 - 7.1.0
Warning: system() expects at least 1 parameter, 0 given in /in/hZqR0 on line 2
Output for 4.3.0 - 4.4.9
Warning: Wrong parameter count for system() in /in/hZqR0 on line 2